Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01)
8-121
Figure 8-54. Receiver VCO Circuit
1
IF3101
1
IF3102
1
IF3100
DC_SUPER_FILTER_5V
GPO1
GPO2
IF
IF
IF
IN
IN
IN
C3105
C3120
R3127
L3126
C3116
C3115
82
100PF
100PF
820NH
6.8PF
6.8PF
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
C3161
7
6
3
1
8
5
4
2
G1
U3001
SKY13251
100PF
NC
C3102
C3104
L3100
R3105
R3106
R3103
C3159
13
2
Q3123
300
10PF
100PF
NE856
300
18
27NH
2.2PF
C3158
R3159
L3125
C3122
R3118
100PF
68
0.1UF
18K
390NH
C3109
C3111
R3114
L3119
27K
100PF
820NH
0.1UF
C3101
C3113
C3107
7.5PF
5.6PF
6.8PF
L3106
L3112
C3110
C3108
15NH
DNP
3.9PF
5.4NH
2.7PF
2
1
D3105
21
D3103
2
1
D3104
2
1
D3102
L3101
C3100
1SV279
1SV279
1SV279
100PF
390NH
1SV279
1
IF3103
IF
VCTRL
IN
GPO1
DC_SUPER_FILTER_5V
4.7K
47K
47K
10K
3
1
4
5
2
Q3128
UMC5NT2
VCO_TX
GPO1
GPO2
1
IF3104
VCO_OUT
IF
OUT
Summary of Contents for APX 2000
Page 1: ...APXTM TWO WAY RADIOS APX 1000 APX 2000 APX 4000 APX 4000Li DETAILED SERVICE MANUAL ...
Page 4: ......
Page 6: ...iv Document History Notes ...
Page 8: ...Notes vi Commercial Warranty ...
Page 10: ...Notes ...
Page 22: ...xiv List of Figures Notes ...
Page 226: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 688: ...Index 4 Index Notes ...
Page 690: ...ii Notes ...
Page 700: ...xvi List of Figures Notes ...
Page 806: ...5 50 Troubleshooting Charts PA Failure Notes ...
Page 1008: ...8 178 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 84012621001 Notes ...
Page 1062: ...8 234 Schematics Boards Overlays and Parts Lists Keypad Board M2 and M3 PC000261A01 Notes ...
Page 1064: ...ii Notes ...
Page 1068: ...Notes A 4 EMEA Warranty Service and Technical Support Further Assistance From Motorola ...
Page 1090: ...Glossary 10 Glossary Notes ...
Page 1094: ...Index 4 Index Notes ...
Page 1095: ......